1972 Ski-Doo Shop Manual, Page 233Get this manual
BODYFRAME INSTALLATION 1From underneath the frame, insert the four (4) carriage bolts (fig4-1-13)Screw the four (4) spacer bushings onto the boltsInstall rubber mounts 4-01-05
(Nordic Models) 1Remove nut and bolt securing restraining cable to frame2Remove the screws attaching the seat hinge to the seatRemove seat(Alpine and Valmont Models) 1Remove backrest2Open seat and remove screw attaching the restraining cable to the seat3Remove the screws attaching the seat hinge to the frameRemove the seat from vehicle
2Reverse removal procedure to install com ponents
INSTALLATION (All models)
To install the seat, refer to the applicable
removal procedure and reverse the steps4-1-8 BACKREST
REMOVAL (Olympique Models except 300) 1Disconnect taillight quick connector2Remove the four (4) bolts, retainer washers, washers and nuts securing backrest to frameNOTE: The taillight ground wire is connect to one (1) of the bolts(Nordic Models) 1Using 18" dia drill, remove rivets and pull backrest from seat2Install new backrest and secure with pop rivets